Government

County Government

Washington County website

Washington County Community Development Code 421: Flood Plain and Drainage Hazard Area Development and 422: Significant Natural Resources

Washington County Community Development Code 385-388: Airport overlay districts

Washington County Comprehensive Plan: Rural/Natural Resources Plan

Regional Government

Metro

Port of Portland

State Government

State of Oregon

Oregon Department of Aviation

Oregon Department of Environmental Quality (DEQ)

Oregon Revised Statutes (ORS)

Oregon Administrative Rules - Land Conservation and Development Department (OAR 660)

Federal Government

Environmental Protection Agency (EPA)

Federal Aviation Administration (FAA)

Transportation Security Administration (TSA)

National Transportation Safety Board (NTSB)

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